Miasma Worm Cripples GitHub Repos; Cisco Zero-Day Under Active Attack; Snowflake Breach Exposes 165 Customers

Publication Date: June 7, 2026

Summary

This edition covers the period of June 7, 2026, a day marked by severe supply chain and cloud security incidents. A sophisticated self-replicating worm named Miasma has compromised dozens of Microsoft and Red Hat packages on npm, leveraging a novel execution bypass. Concurrently, a massive data breach at Snowflake exposed data from 165 customers, including Ticketmaster, due to credential theft. Adding to the urgency, Cisco has disclosed an actively exploited, unpatched zero-day vulnerability in its Catalyst SD-WAN Manager. Other major developments include a surge in AI-driven phishing, a significant rise in mobile banking trojans, and a volatile ransomware market reacting to recent law enforcement takedowns.

Today New Articles

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Article Updates

Email Under Siege: AI, QR Codes, and Phishing-as-a-Service Fuel Surge in Attacks

Update:A new Egress report indicates a 28% increase in phishing attacks and a 52% rise in malicious emails bypassing secure email gateways in Q2 2026. Attackers are leveraging AI for deepfakes, chatbots, and 'payloadless' social engineering, with Microsoft being the...


Ransomware Market Consolidates in Q1 2026; Qilin Remains Top Threat as LockBit 5.0 Rebounds

Update:Following the successful takedown of the LockBit ransomware operation, the market is experiencing significant turmoil and a 'whack-a-mole' effect. Law enforcement disruptions have created a power vacuum, leading to the rapid emergence of new groups such as Ran...


China-Aligned APT Webworm Targets Europe, Using Discord and MS Graph for C2

Update:The China-aligned APT group Webworm, previously noted for using Discord and Microsoft Graph API for C2, has now been observed widely deploying the open-source SoftEther VPN client. This new tactic allows them to establish persistent, encrypted command-and-cont...


Cisco Catalyst SD-WAN Zero-Day Flaw Actively Exploited for Root Access

Update:New reports from June 7, 2026, reinforce the critical nature of CVE-2026-20245, a high-severity zero-day in Cisco Catalyst SD-WAN Manager. The vulnerability continues to be actively exploited in the wild, allowing an authenticated local attacker to achieve roo...